diff --git a/package.json b/package.json
index 69ac973..99e7e5d 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
 		"typecheck": "tsc --noEmit",
 		"version": "git checkout develop && npm test",
 		"postversion": "echo 'Now run npm run build && npm publish'",
-		"test": "TS_NODE_TRANSPILE_ONLY=true node --test --loader=ts-node/esm --no-warnings src/*.test.ts",
+		"test": "TS_NODE_TRANSPILE_ONLY=true node --test --experimental-test-coverage --loader=ts-node/esm --no-warnings src/*.test.ts",
 		"test:watch": "TS_NODE_TRANSPILE_ONLY=true node --test --watch --loader=ts-node/esm --no-warnings src/*.test.ts"
 	},
 	"dependencies": {